Broken motor mount? Limit slip diffs?
I think I have a broken motor mount, M272 V6. Is there any way to tell by driving it, to me it feels like it loose as if a motor mount is broken, but my buddy drove it and said oh that's just how rwd cars feel, its all in the rear end, no broken mount, but it seems like is maybe is, any definitive way to tell? I mean, I think IIRC the mounts are liquid filled, so wouldn't I see fluid coming from one if broken? I never really paid attention so it may be just me, but it seems like you can feel then engine rock in neutral when you press the gas, or when you press on and then lift off the pedal?
Also doing auto x allot lately and I was wondering, do our cars have a lsd at all, and what is the stock rear gearing? (Assuming based on driving) we don't have a LSD, does some one make one for our cars? Or Is AMG a solution (Id assume one of them would work)
Thanks
On the side note, but pertaining to the same issue, are there any companies making any poluurethane bushings upgrades for our suspension/mounts/etc???
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Start your engine and let it run for a few minutes. Rev the engine and listen closely. Do you feel excessive vibration? If a motor mount is unstable or broken, the engine will move around and create vibration that you may feel and hear while inside the vehicle.
Last edited by W203E35; Mar 12, 2010 at 04:40 PM.
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Andrew, No I dont feel any difference at idle at all, Ill call you and well have to meet up, Im staying in town this weekend, and you can drive it and see what you think.
I do occasionally get the feeling the rear end wants to go out from under the body of the car, but its usually at hight speeds or in a random turn, but not always Id says once a month or so.
So is there no LSDs avail for our cars?

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Start your engine and let it run for a few minutes. Rev the engine and listen closely. Do you feel excessive vibration? If a motor mount is unstable or broken, the engine will move around and create vibration that you may feel and hear while inside the vehicle.
You should let Patrick out of his cage to play with the other boys!
Since your such an expert with these cars you should know where the mount is.
So thank you for contributing nothing to the thread and doing nothing to answer my question.
So thank you for contributing nothing to the thread and doing nothing to answer my question.

CrocsC350, Quaife doesn't make LSD's for a C230 or imaginary LSD's for a C350. Your best bet is to check with Kleemann.
P.S. You'll get sarcastic responses to all of your posts on this forum after your antics and subsequent loss of credibility, so don't get all butt-hurt and defensive.
To my understanding, if you jack up a car and spin one of the rear wheels and both go in the same direction it is LSD, is that correct?
I did this on my w203 and both wheels were spining in the same direction, also when doing a burnout both wheels spin and leave 2 marks.
If its just a open wheel rear diff then if you spin one wheel while jacked up, then only 1 wheel should spin and the other should stay still.
Maybe Australian version w203s got LSD?
You can try phantom grip, i hear they'll rebuilt your oem differential to lsd for relatively cheap.
http://phantomgrip.com/
Our independent rear suspension with its fixed pumpkin tends to minimize the ‘peg leg’ effect during straight-ahead motoring – even without electronic aids, i.e., ESP/ASR. When lateral loads are a part traction circle equation, they’ll invariably spin the inside tire mercilessly given enough thrust.
Several thumping M113 Kompressor pilots here reported no improvement in their drag strip times after having installed a LSD. Once you’re chasing quicker times through slalom or getting after it on a road circuit, they’re indeed a worthy upgrade.
Perhaps our Australian friend’s M111 coupé is a ringer?


